Serving tray



FIG. 1 is a right elevated perspective view of a serving tray of the present invention:

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a side view thereof.

The broken lines showing indicia in FIGS. 1 and 2 is included for the purpose of showing features on the serving tray that form no part of the claimed design. 

The ornamental design for a serving tray, as shown and described. 